Home / 54,040.64-81,089.50-38,347.08

Finding the Fourth Proportional to 54,040.64, 81,089.50 and 38,347.08

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Solution

The fourth proportional to 54,040.64, 81,089.50 and 38,347.08 is: 57,540.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,040.64 : 81,089.50 = 38,347.08 : x
  2. Step 2: Convert to fraction form
    54,040.64/81,089.50 = 38,347.08/x
  3. Step 3: Cross multiply
    54,040.64x = 81,089.50 × 38,347.08
  4. Step 4: Simplify right side
    54,040.64x = 3,109,545,543.66
  5. Step 5: Solve for x
    x = 3,109,545,543.66/54,040.64
  6. Step 6: Final answer
    x = 57,540.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.